Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCB/X/3wbzj/cd1bKZ1Tnig43MsYqO2n4plgz6GwPvvvzlimg+Wgbxa2xpW… (1,748 chars)"
  }
}